<!DOCTYPE html>
<html>

<head>
    <meta charset="UTF-8">
    <title>网页文本可视化工具</title>
    <style>
        body {
            width: 300px;
            padding: 10px;
        }
        button {
            width: 100%;
            padding: 8px;
            margin: 5px 0;
            background-color: #4CAF50;
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
        }
        button:hover {
            background-color: #45a049;
        }
    </style>
</head>

<body>
    <button id="startVisualization">开始可视化</button>
    <script type="module" src="popup.js"></script>
</body>

</html>